World's Best Scientists 2026 revealed!
John L. Holmes

John L. Holmes

D-Index & Metrics

Chemistry

D-Index
52
Citations
9207
World Ranking
13556
National Ranking
366

John L. Holmes publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where John L. Holmes sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 347 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

John L. Holmes D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where John L. Holmes sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 52 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

John L. Holmes is affiliated with the University of Ottawa in Canada. Their research primarily focuses on the fields of Medicine and Health Professions, with a significant emphasis on epidemiology and clinical psychology within these broader domains.

Their subfields of study include Epidemiology, General Health Professions, Pathology and Forensic Medicine, Health, and Clinical Psychology. The main topics covered by their work concentrate on Substance Abuse Treatment and Outcomes, Alcohol Consumption and Health Effects, Homelessness and Social Issues, Health Disparities and Outcomes, Smoking Behavior and Cessation, Health Policy Implementation Science, and Gambling Behavior and Treatments.

Holmes has published extensively in various academic venues, frequently contributing to:

  • Addiction
  • Drug and Alcohol Review
  • International Journal of Drug Policy
  • Social Science & Medicine
  • bioRxiv (Cold Spring Harbor Laboratory)

Some of their recent papers include:

  • Mitigating and learning from the impact of COVID-19 infection on addictive disorders (2020, Addiction)
  • Causal mechanisms proposed for the alcohol harm paradox-a systematic review (2021, Addiction)
  • Declining drinking among adolescents: Are we seeing a denormalisation of drinking and a normalisation of non-drinking? (2021, Addiction)
  • Beyond Behaviour: How Health Inequality Theory Can Enhance Our Understanding of the 'Alcohol-Harm Paradox' (2021, International Journal of Environmental Research and Public Health)
  • Clustering of health-related behaviours within children aged 11-16: a systematic review (2021, BMC Public Health)

Holmes has collaborated frequently with several co-authors, including Petra Meier, Abigail K. Stevely, Colin Angus, Jamie Brown, and Alan Brennan. Each of these collaborators has worked with Holmes on multiple projects, reflecting ongoing research partnerships.

Best Publications

  • Assigning structures to ions in the gas phase

    John L. Holmes

  • The neutralization of organic cations

    John L. Holmes

  • The scope of metastable peak observations

    John L. Holmes;Johan K. Terlouw

  • A collaboratively-derived science-policy research agenda

    William J. Sutherland;Laura Bellingan;Jim R. Bellingham;Jason J. Blackstock;Jason J. Blackstock

  • Gas-phase heats of formation of keto and enol ions of carbonyl compounds

    John L. Holmes;F. P. Lossing

  • Stabilization energy and ion size in carbocations in the gas phase.

    F. P. Lossing;John L. Holmes

  • Heats of formation of oxygen-containing organic free radicals from appearance energy measurements

    John L. Holmes;Fred P. Lossing;Paul M. Mayer

  • The radical cation [CH2OH2]+.cntdot. and related stable gas-phase ion-dipole complexes

    J. L. Holmes;F. P. Lossing;J. K. Terlouw;P. C. Burgers

  • Neutral products of ion fragmentations: HCN and HNC identified by collisionally induced dissociative ionization

    Peter C. Burgers;John L. Holmes;Alexander A. Mommers;Johan K. Terlouw

  • The gas phase ion chemistry of the acetyl cation and isomeric [C2H3O]+ ions. On the structure of the [C2H3O]+ daughter ions generated from the enol of acetone radical cation

    Peter C. Burgers;John L. Holmes;Jan E. Szulejko;Alexander A. Mommers

  • Metastable ion studies (VIII): An analytical method for deriving kinetic energy release distributions from metastable peaks

    J.L. Holmes;A.D. Osborne

  • Heats of formation and bond dissociation energies in halogen-substituted methyl and ethyl radicals

    John L. Holmes;F. P. Lossing

  • Heats of formation of ionic and neutral enols of acetaldehyde and acetone

    Unknown

  • Towards a general scheme for estimating the heats of formation of organic ions in the gas phase. Part I. Odd-electron cations

    John L. Holmes;Mervin Fingas;F. P. Lossing

  • Carbanion rearrangements. Collision-induced dissociations of the enolate ion of heptan-4-one

    Michael B. Stringer;John H. Bowie;John L. Holmes

  • Heats of formation of organic radicals from appearance energies

    John L. Holmes;F.P. Lossing

  • Lay epidemiology and the interpretation of low-risk drinking guidelines by adults in the United Kingdom

    Melanie Lovatt;Melanie Lovatt;Douglas Eadie;Douglas Eadie;Petra S. Meier;Petra S. Meier;Jessica Li;Jessica Li

  • Novel gas-phase ions. The radical cations [CH2XH]+• (X = F, Cl, Br, I, OH, NH2, SH) and [CH2CH2NH3]+•

    John L. Holmes;F. P. Lossing;Johan K. Terlouw;Peter C. Burgers

  • Neutralization–reionization mass spectrometry applied to organometallic and coordination chemistry (update: 1994–1998)

    Dmitri V. Zagorevskii;Dmitri V. Zagorevskii;John L. Holmes;John L. Holmes

  • Metastable ion studies: XIII—the measurement of appearance energies of metastable peaks

    Peter C. Burgers;John L. Holmes

  • Neutralization‐reionization mass spectrometry applied to organometallic and coordination chemistry

    Dmitri V. Zagorevskii;John L. Holmes

  • Collisionally induced dissociative ionization of neutral products from unimolecular ion fragmentations. 1—Neutral product structures

    Peter C. Burgers;John L. Holmes;Alexander A. Mommers;Jan E. Szulejko

Frequent Co-Authors

Peder Wolkoff
Peder Wolkoff National Research Centre for the Working Environment
Leo Radom
Leo Radom University of Sydney
John H. Bowie
John H. Bowie University of Adelaide
Helmut Schwarz
Helmut Schwarz Technical University of Berlin
Tomas Baer
Tomas Baer University of North Carolina at Chapel Hill
David R. S. Lean
David R. S. Lean University of Ottawa
Clifford H. Watson
Clifford H. Watson Centers for Disease Control and Prevention
Alfonso Castiñeiras
Alfonso Castiñeiras University of Santiago de Compostela
Theo M. Luider
Theo M. Luider Erasmus University Rotterdam
Chava Lifshitz
Chava Lifshitz Hebrew University of Jerusalem

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